BMW 5 Series: Activating/deactivating the system 
manually - Automatic Engine Start/Stop 
Function - Driving - Controls - BMW 5 Series Owners ManualsBMW 5 Series: Activating/deactivating the system manually

Using the button

Press the button.

▷ LED comes on: Auto Start Stop function is Press the button.

▷ LED comes on: Auto Start Stop function is deactivated.
The engine is started during an automatic engine stop.
The engine can only be stopped or started via the Start/Stop button.
▷ LED goes out: Auto Start Stop function is activated.

Switching off the vehicle during an automatic engine stop

During an automatic engine stop, the vehicle can be switched off permanently, e.g., when leaving it.

1. Press the Start/Stop button. The ignition is switched off. The Automatic Engine Start/ Stop Function is deactivated.

Automatic transmission: the transmission position P is engaged automatically.

2. Set the parking brake.

Engine start as usual via Start-/Stop button.

    Preventing an automatic engine stop with automatic transmission
    The concept To make it possible to drive away very quickly, such as at an intersection, the automatic engine stop can be actively prevented. Preventing an engine stop using the brake pedal Th ...

    Automatic deactivation
    In certain situations, the Automatic Engine Start/ Stop Function is deactivated automatically for safety reasons, such as when the driver is detected to be absent Malfunction The automatic eng ...

    See also:

    Washing the underbody
    Chemicals, salts and gravel used for deicing road surfaces are extremely corrosive, accelerating the corrosion of underbody components, such as the exhaust system, fuel and brake lines, brake cabl ...

    Loose Fuel Cap warning
    The LOOSE FUEL CAP warning appears in the vehicle information display when the fuel-filler cap is not tightened correctly after the vehicle has been refueled. It may take a few driving trips for ...

    Traction Control System (TCS)
    The traction control system limits wheel spin. The system turns on automatically every time the vehicle is started. • To turn off traction control, press and release the Traction Control ...